Home / 496,830.49-685,628.67-270,477.61

Finding the Fourth Proportional to 496,830.49, 685,628.67 and 270,477.61

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Solution

The fourth proportional to 496,830.49, 685,628.67 and 270,477.61 is: 373,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,830.49 : 685,628.67 = 270,477.61 : x
  2. Step 2: Convert to fraction form
    496,830.49/685,628.67 = 270,477.61/x
  3. Step 3: Cross multiply
    496,830.49x = 685,628.67 × 270,477.61
  4. Step 4: Simplify right side
    496,830.49x = 185,447,204,009.08
  5. Step 5: Solve for x
    x = 185,447,204,009.08/496,830.49
  6. Step 6: Final answer
    x = 373,260.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.